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kvm: x86: Add APICv (de)activate request trace points 

Add trace points when sending request to (de)activate APICv.

Suggested-by: Alexander Graf <graf@amazon.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Suravee Suthikulpanit 2019-11-14 14:15:07 -06:00 committed by Paolo Bonzini
parent 8df14af42f
commit 24bbf74c0c
2 changed files with 21 additions and 0 deletions
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19
arch/x86/kvm/trace.h
View File

@ -1291,6 +1291,25 @@ TRACE_EVENT(kvm_hv_stimer_cleanup,
__entry->vcpu_id, __entry->timer_index)
);
TRACE_EVENT(kvm_apicv_update_request,
TP_PROTO(bool activate, unsigned long bit),
TP_ARGS(activate, bit),
TP_STRUCT__entry(
__field(bool, activate)
__field(unsigned long, bit)
),
TP_fast_assign(
__entry->activate = activate;
__entry->bit = bit;
),
TP_printk("%s bit=%lu",
__entry->activate ? "activate" : "deactivate",
__entry->bit)
);
/*
* Tracepoint for AMD AVIC
*/

2
arch/x86/kvm/x86.c
View File

@ -8044,6 +8044,7 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit)
return;
}
trace_kvm_apicv_update_request(activate, bit);
kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE);
}
EXPORT_SYMBOL_GPL(kvm_request_apicv_update);
@ -10503,3 +10504,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_pml_full);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_pi_irte_update);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_unaccelerated_access);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_incomplete_ipi);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_apicv_update_request);